28742016420
28,742,016,420 is an even composite number composed of seven prime numbers multiplied together.
28742016420 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 28742016420:
22 × 32 × 5 × 13 × 31 × 101 × 3923
(2 × 2 × 3 × 3 × 5 × 13 × 31 × 101 × 3923)See below for interesting mathematical facts about the number 28742016420 from the Numbermatics database.
Names of 28742016420
- Cardinal: 28742016420 can be written as Twenty-eight billion, seven hundred forty-two million, sixteen thousand, four hundred twenty.
Scientific notation
- Scientific notation: 2.874201642 × 1010
Factors of 28742016420
Divisors of 28742016420
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 31 36 39 45 52 60 62 65 78 90 93 101 117 124 130 155 156 180 186 195 202 234 260 279 303 310 372 390 403 404 465 468 505 558 585 606 620 780 806 909 930 1010 1116 1170 1209 1212 1313 1395 1515 1612 1818 1860 2015 2020 2340 2418 2626 2790 3030 3131 3627 3636 3923 3939 4030 4545 4836 5252 5580 6045 6060 6262 6565 7254 7846 7878 8060 9090 9393 11769 11817 12090 12524 13130 14508 15655 15692 15756 18135 18180 18786 19615 19695 23538 23634 24180 26260 28179 31310 35307 36270 37572 39230 39390 40703 46965 47076 47268 50999 56358 58845 59085 62620 70614 72540 78460 78780 81406 93930 101998 112716 117690 118170 121613 122109 140895 141228 152997 162812 176535 187860 203515 203996 235380 236340 243226 244218 254995 281790 305994 353070 364839 366327 396223 407030 458991 486452 488436 509990 563580 608065 610545 611988 706140 729678 732654 764985 792446 814060 917982 1019980 1094517 1188669 1216130 1221090 1459356 1465308 1529970 1580969 1584892 1824195 1831635 1835964 1981115 2189034 2294955 2377338 2432260 2442180 3059940 3161938 3566007 3648390 3663270 3962230 4378068 4589910 4742907 4754676 5150899 5472585 5943345 6323876 7132014 7296780 7326540 7904845 7924460 9179820 9485814 10301798 10945170 11886690 12282913 14228721 14264028 15452697 15809690 17830035 18971628 20603596 21890340 23714535 23773380 24565826 25754495 28457442 30905394 31619380 35660070 36848739 46358091 47429070 49131652 51508990 56914884 61414565 61810788 71143605 71320140 73697478 77263485 92716182 94858140 103017980 110546217 122829130 142287210 147394956 154526970 159677869 184243695 185432364 221092434 231790455 245658260 284574420 309053940 319355738 368487390 442184868 463580910 479033607 552731085 638711476 736974780 798389345 927161820 958067214 1105462170 1437100821 1596778690 1916134428 2210924340 2395168035 2874201642 3193557380 4790336070 5748403284 7185504105 9580672140 14371008210 28742016420
- Sum of all divisors σ(n): 97903862784
- Sum of proper divisors (its aliquot sum) s(n): 69161846364
- 28742016420 is an abundant number, because the sum of its proper divisors (69161846364) is greater than itself. Its abundance is 40419829944
Bases of 28742016420
- Binary: 110101100010010100001011101101001002
- Hexadecimal: 0x6B1285DA4
- Base-36: D7C95T0
Squares and roots of 28742016420
- 28742016420 squared (287420164202) is 826103507887549616400
- 28742016420 cubed (287420164203) is 23743880588323550588133501288000
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The
square root of 28742016420 is 169534.7056504951 -
The
cube root of 28742016420 is 3063.1792472971
Scales and comparisons
How big is 28742016420?- 28,742,016,420 seconds is equal to 913 years, 47 weeks, 1 day, 5 hours, 27 minutes.
-
To count from 1 to 28,742,016,420 would take you about one thousand, eight hundred twenty-seven years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 28742016420 cubic inches would be around 255.3 feet tall.
Recreational maths with 28742016420
- 28742016420 backwards is 02461024782
- 28742016420 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28742016420's digits is 36
- More coming soon!
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